IRWIN 12411 1/2" High Speed Steel Countersink Bit Hardware Pins Pulse Torsion Rings help to

Pulse Torsion Rings help to disperse impact energy through the torsion zone and off of the bit tip

Groove bit diameter 1-3/4-inch

3 forward and 3 reverse Auto-Stop modes for increased efficiency

Braided Discharge Hose

IRWIN 12411 1/2" High Speed Steel Countersink Bit Hardware Pins Pulse Torsion Rings help toThese high speed steel countersinks are milled and precision ground to 82 Ft. for countersinking into most machinable materials, including iron, steel, soft metals, plastic or wood. They are available in 1 2 In., 5 8 In. and 3 4 In. diameters. Key Features: High speed steel countersinks Available in 1 2 In., 5 8 In. and 3 4 In. diameters High speed steel countersinks are milled and precision ground to 82 Ft. for countersinking into most machinable